Rotten Wood Repair Kits – Permanent, Waterproof & Flexible
$142.00
Estimated Delivery : Ships within 1-5 business days
This all-in-one kit combines a penetrating epoxy sealer, a flexible epoxy filler, and an application guide to help you permanently repair wood damaged by rot. Whether you’re dealing with windows, doors, fascia boards, or outdoor trim, this system reinforces from within and restores original shape and strength.
Rotten Wood Repair Kits for Windows, Doors, Boats – Permanent, Waterproof & Flexible
Everything you need to restore rotten wood — stop decay, rebuild structure, and protect for the long term.
This all-in-one kit combines a penetrating epoxy sealer, a flexible epoxy filler, and an application guide to help you permanently repair wood damaged by rot. Whether you’re dealing with windows, doors, fascia boards, or outdoor trim, this system reinforces from within and restores original shape and strength.
✔ What’s included:
- Clear Penetrating Epoxy Sealer (CPES) – deeply soaks into the wood, hardens it from within, and stops rot in its tracks.
- Flexible Epoxy Wood Filler – fills gaps, rebuilds missing wood, and moves with the wood to prevent cracking.
- Mixing tools & instructions – everything you need for accurate mixing and easy application.
✔ What it’s for:
- Repairing window sills, door frames, and exterior trim
- Fixing rot damage in fascia, columns, railings, and other structural wood
- Restoring architectural woodwork and decorative elements
- Protecting against future moisture damage and fungal attack
✔ Why it works for wood repair:
- Penetrates deeply to strengthen soft or rotten wood
- Seals and protects against future moisture and decay
- Fills and shapes for a clean, seamless finish
- Designed to last through years of expansion, contraction, and weather changes
✔ Easy 3-step wood repair process:
- Soak & Seal — Apply the penetrating epoxy to saturate and harden rotten areas.
- Fill & Rebuild — Use the flexible filler to reshape, repair, and level the surface.
- Finish & Protect — Sand, prime, and paint as desired.
No special tools required — works with a brush, spatula, or standard shop gear.
✔ Outside America:
Buy Rotten Wood Repair Kits In Europe
Buy Rotten Wood Repair Kits in Scandinavia
Additional Information
Reviews
Awesome product! I discovered it while working on my boats and use it alot in construction. I used it on a set of doors I built for my garden shed and they still look beautiful 3 years later. It’s pretty nasty stuff when using it so use it outside or a well ventilated area and use gloves and respirator.
Using this stuff years ago under the front deck…I believe I had a 60’s flashback…felt real good
Fumes are nasty as it cures, so wear a respirator, not just a dust mask. Careful about getting it on your skin, it burns. I coated the bottom of my Lyman when restoring which was too big to flip, so I bought a cheap Harbor Freight full face mask. Worked great at protecting me from chemical burns and just throw it away when done.
Used and loved the stuff for years. Don’t forget the FILLIT stuff they sell…super for fill and repair. John in VA

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